* {
  margin: 0;
  padding: 0;
}

html,
body {
  font-family: PingFangSC-Regular, PingFang SC, "Microsoft YaHei", "Helvetica Neue", Helvetica,
    "microsoft yahei", arial, STHeiTi, sans-serif;
}

a {
  text-decoration: none;
}

ul,
li {
  list-style: none;
}